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electrum/electrum/gui/qml/qechannellistmodel.py
2022-07-07 18:29:01 +02:00

76 lines
2.5 KiB
Python

from datetime import datetime, timedelta
from PyQt5.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
from PyQt5.QtCore import Qt, QAbstractListModel, QModelIndex
from electrum.logging import get_logger
from electrum.util import Satoshis, TxMinedInfo
from .qetypes import QEAmount
class QEChannelListModel(QAbstractListModel):
def __init__(self, wallet, parent=None):
super().__init__(parent)
self.wallet = wallet
self.channels = []
_logger = get_logger(__name__)
# define listmodel rolemap
_ROLE_NAMES=('cid','state','initiator','capacity','can_send','can_receive',
'l_csv_delat','r_csv_delay','send_frozen','receive_frozen',
'type','node_id','node_alias','short_cid','funding_tx')
_ROLE_KEYS = range(Qt.UserRole, Qt.UserRole + len(_ROLE_NAMES))
_ROLE_MAP = dict(zip(_ROLE_KEYS, [bytearray(x.encode()) for x in _ROLE_NAMES]))
_ROLE_RMAP = dict(zip(_ROLE_NAMES, _ROLE_KEYS))
def rowCount(self, index):
return len(self.channels)
def roleNames(self):
return self._ROLE_MAP
def data(self, index, role):
tx = self.channels[index.row()]
role_index = role - Qt.UserRole
value = tx[self._ROLE_NAMES[role_index]]
if isinstance(value, (bool, list, int, str, QEAmount)) or value is None:
return value
if isinstance(value, Satoshis):
return value.value
return str(value)
def clear(self):
self.beginResetModel()
self.channels = []
self.endResetModel()
def channel_to_model(self, lnc):
lnworker = self.wallet.lnworker
item = {}
item['node_alias'] = lnworker.get_node_alias(lnc.node_id) or lnc.node_id.hex()
item['short_cid'] = lnc.short_id_for_GUI()
item['state'] = lnc.get_state_for_GUI()
item['capacity'] = QEAmount(amount_sat=lnc.get_capacity())
self._logger.debug(repr(item))
return item
@pyqtSlot()
def init_model(self):
if not self.wallet.lnworker:
self._logger.warning('lnworker should be defined')
return
channels = []
lnchannels = self.wallet.lnworker.channels
for channel in lnchannels.values():
self._logger.debug(repr(channel))
item = self.channel_to_model(channel)
channels.append(item)
self.clear()
self.beginInsertRows(QModelIndex(), 0, len(channels) - 1)
self.channels = channels
self.endInsertRows()